Physics: Forces And Motion: Units
Overview
Before you can describe how fast something moves or how hard it pushes, you need a shared language of measurement. Physics uses the SI system - a set of standard units that scientists around the world agree on.
In this lesson you will learn the key units used in forces and motion, how to convert between common units, and why using the correct unit matters in calculations and exams.
Objectives
- Use the following units: kilogram (kg), metre (m), metre/second (m/s), metre/second2 (m/s2), newton (N), second (s) and newton/kilogram (N/kg)
Lesson Note
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Lesson Evaluation
Congratulations on completing the lesson on Physics: Forces And Motion: Units. Now that youve explored the key concepts and ideas, its time to put your knowledge to the test. This section offers a variety of practice questions designed to reinforce your understanding and help you gauge your grasp of the material.
You will encounter a mix of question types, including multiple-choice questions, short answer questions, and essay questions. Each question is thoughtfully crafted to assess different aspects of your knowledge and critical thinking skills.
Use this evaluation section as an opportunity to reinforce your understanding of the topic and to identify any areas where you may need additional study. Don't be discouraged by any challenges you encounter; instead, view them as opportunities for growth and improvement.
- The SI unit of force is the: A) Joule B) Watt C) Newton D) Pascal Answer: C
- Speed is measured in: A) m B) m/s C) m/s squared D) kg Answer: B
- To convert km/h to m/s, you: A) Multiply by 3.6 B) Divide by 3.6 C) Multiply by 1000 D) Divide by 60 Answer: B
- The SI unit for pressure is the: A) Newton B) Joule C) Pascal D) Watt Answer: C
- 1 kg is equal to: A) 10 g B) 100 g C) 1000 g D) 10000 g Answer: C
Available on the Green Bridge App
Download the Green Bridge CBT app on your phone or computer to access full lesson notes, practice questions, and more.
Available on the Green Bridge App
Download the Green Bridge CBT app on your phone or computer to access full lesson notes, practice questions, and more.
Practice Mock Questions
Want to practice mock questions on Physics: Forces And Motion: Units? Download the Green Bridge CBT app to access mock questions and full practice assessments for this topic.
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